[petsc-dev] PETSc and threads

Jed Brown jed at jedbrown.org
Fri Jan 9 18:32:30 CST 2015


Mark Adams <mfadams at lbl.gov> writes:

>>
>>
>> each of those is staggeringly expensive.  For example, "omp parallel" on
>> Xeon Phi costs about 20k cycles,
>
>
> Any idea what this might be for an AMD Opteron (Titan)?

At least 10k cycles; see my other message.
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